Support in pedagogy and psychology is understood as an activity that provides the conditions for the subject of development to make the best decision in various situations of life choices. Self-development, being a dialectical process, promotes maximum self-enrichment and self-development. Finding the meaning of its social purpose, become a central event in high school age. Profile education as an open space for high school students to acquire subjective experience of self-development corresponds to their educational and life attitudes, creates conditions for pre-professional training. In order to prepare high school students for making a conscious choice of an educational profile at the secondary level pre-profile training is organized. Psychological and pedagogical support of high school student's self-development in profile education promotes the implementation of reflection of educational and extracurricular activities, independence, responsibility in the implementation of personal choices, resolution of internal contradictions, integrated solution of problems of high school student's self-development by means of education.